JavaScript is a prototype-based, object-oriented scripting language that is dynamic, weakly typed and has first-class functions.

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1answer
959 views

How to use filter in GeoExt.FeatureStore?

I have a FeatureStore: var protocol=new OpenLayers.Protocol.HTTP({ url: ...
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1answer
1k views

Plot points using ArcGIS javascript api from co-ordinates

I would like to map co-ordinates that I got from the exif in photo's using my own command line tool that I made. As opposed to uploading your private photo's for everyone to see on flickr. How to I ...
2
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2answers
2k views

Javascript library for converting MGRS to Lat/Lng

Is there a JS library that converts MGRS to LL? I have found one that converts Lat/Lng to MGRS, but nothing that converts MGRS to Lat/Lng. Someone asked this question in the past, but the answer was ...
0
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1answer
705 views

How to reproject layers (using GeoServer and OpenLayers) in order to overlay on the google maps [duplicate]

Possible Duplicate: Openlayers and Geoserver: OSM/Google Maps and WMS Overlay I am writing a code using OpenLayers. In this code, I want to display different layers in different zoom ...
5
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1answer
2k views

Does Leaflet has option for scale dependent layers?

Is it possible to show layers with Leaflet depending on scaling? For example not show counties until zoom level reaches 10. Thanks.
2
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1answer
1k views

Google Map API Drag event..?

The below code is working perfectly on click event to retrieve Lat/Long and Current Zoom level. How do I get the same when I hover mouse/drag on map Window (not on submit button)? <!DOCTYPE ...
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1answer
149 views

How to replace protocol in geoext.form.formpanel‏‏

I've been scratching my head over this and I'm wondering if this is possible. I want to replace the protocol of the GeoExt.form.FormPanel in the following way: to render the formpanel, I defined a ...
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1answer
2k views

Initializing Google Maps Streetview object looking at the position

I have a streetview included in my web site using google API to load it. var theloc = new google.maps.LatLng(lat, lon); var panoramaOptions = { addressControl: false, position: theloc, pov: { ...
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2answers
649 views

How to use Leaflet marker clustering with image map only?

I have image map of one state, where I would like to put about 100 markers. Is it possible to use only one image map instead of CloudMade tiles Leaflet usually uses? So, I need only that image to be ...
2
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1answer
489 views

Special background layer not coloring in Kartograph map

I'm testing out Kartograph according to the documentation and a linked gist. Both my US and non-US layers color correctly, but I can not get the special "sea" layer to fill. I found an example here ...
3
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2answers
274 views

“Hello World” introduction for ubuntuGIS?

Is the GIS equivalent of "Hello world!" = "You are here?" I installed ubuntuGIS recently, but I'm a little overwhelmed navigating the network of many packages to begin accomplishing simple things. ...
3
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1answer
1k views

How to add SLD to a wms layer dynamically from javascript

How to add SLD style which is written in String format and stored in a 'var' variable of javascript and asign it to a WMS layer while creating it.
3
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1answer
198 views

How to set up a maximal zoom for polygons in Leaflet?

How to set up a maximal zoom for some layer, for example state polygons? I need that my US polygons which represent states have maxZoom 6, and when zoomed higher than 6, that US counties show up ...
2
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0answers
984 views

Problem with multipolygon in Leaflet

I'm using Leaflet L.Polygon, but for some reason there's only blank site. Here's my code: var map = L.map('map').setView([37.8, -96], 4); var cloudmade = ...
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1answer
231 views

How to add more events like Control.Click and Handler.Point for a single variable in OpenLayers

I have two points which are marked dynamically on the map and when I mark the start point it is returning lon,lat, but I want to assign this coordinates to the variable that marked/handled the start ...
3
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0answers
97 views

How to PGRoute from OpenLayers via PostGIS/PostgreSQL [duplicate]

I need to route a shortest distance for a map which I have loaded from a PostgreSQL by means of JSON file. I can project the map in my browser and I can identify the linestrings. For a particular ...
3
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2answers
289 views

how to search for a Point of MultiLineString geometry in a json file using OpenLayers

I have a json file with large geometries(MultiLineString), here I got a Point among the json layer(baseLayer). I would like to search for a Point's LineString in the layer, from which MultiLineString ...
2
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1answer
91 views

Change text color of PopupMobile

I am facing the problem that with some mobile Browsers like DolphinHD and Android Browser that the browser makes the text color white, and the background is also white. So i want to change the ...
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2answers
62 views

accesing openlayers.map in index.html

I am developing an app using OpenTripPlanner. It creates an OpenLayer map in map.js. I want to access this map in index.html so I can set it's center. Kindly help me out.
9
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3answers
2k views

Chart inside pop up window in Javascript

How to show a chart inside pop up window? I'm using Leaflet JS, which has support for raphael plugin http://dynmeth.github.com/RaphaelLayer/. Is it possible to create a div inside popup window? I was ...
3
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1answer
357 views

Javascript and esri.dijit.PopupMobile

I currently have a wonderful mobile version of our site up in which it uses PopupMobile to display the requested info. I also map a button on the map that allows the user to do a random function. ...
6
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2answers
549 views

Rendering huge amount of points

Evening Guys, I am new to ArcGIS, and currently developing a small app that uses ArcGIS Javascript API. I have encountered a couple of problems while working on this and would greatly appreciate if ...
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2answers
2k views

Add layer in Openlayers using layer variable passed to a function with setVisibility

I am trying to add and remove layers by passing the name of the layer variable to two separate functions and I can't seem to find any place that describes what I am trying to do. Here is an abridged ...
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1answer
305 views

GeoExt2 - Popup Bug?

I'm using GeoExt2 (alpha) + Extjs 4.1 now to implement a map application. The thing is sometimes when I select a feature on the map, two popups are displayed. one at the bottom of the screen which has ...
3
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1answer
1k views

Problems with gxp Print plugin via opengeosuite sdk

I am trying to import the print plugin within an application built using the Opengeo Suite sdk and I have run into issues as is described in the following thread ...
5
votes
2answers
585 views

How to display a lot of images with OpenLayers?

I would like to display a lot of images at same time. The images are georeferenced (they have extents), with some labels on top of it which, on click, open popup. I can not say how many exactly ...
1
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1answer
732 views

Is it possible to show migration arrows on Leaflet map?

I need to develop Leaflet map which will show the whole world. Also, I need to draw some arrows which will show paths of migrations in the world. The important thing to say that those arrows need to ...
2
votes
1answer
156 views

Openlayers layer hide javascript menu

I have java-script menu that is getting behind openlayers OSM layer (only after it loads). I've tried giving z-index:9999 to the menu div but it didn't work. Any idea ?
2
votes
1answer
102 views

Whats steps can I suggest to achieve the best Geolocation Result

We are using Geolocation (getCurrentPosition()) in a website to determine a users position when using our site from a mobile device. I want to write an article explaining how the user can obtain the ...
1
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2answers
6k views

OpenLayers vector layer remove all features

I have a map (using OpenLayers) and a vector layer containing features(points). Sometimes I need to remove all features from the vector layer. When I use vectorLayer.removeAllFeatures() then it ...
2
votes
1answer
109 views

Is there a Deployment build of GeoExt 1.1?

The latest version of GeoExt that is available for download at http://geoext.org/downloads.html (version 1.1) appears to be a development version. They are individual files with whitespace and ...
2
votes
2answers
4k views

How to label GeoJSON polygons?

I'm using Leaflet combined with GeoJSON features. Is there a way to label GeoJSON features (in this case - polygons)? It should get labels from feature.properties.name This is my code where I ...
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votes
2answers
286 views

Go to the URL on click with GeoJSON

I'm using Leaflet API and geojson. I defined a function which zooms to the feature when clicked: function zoomToFeature(e) { map.fitBounds(e.target.getBounds()); } function ...
2
votes
1answer
417 views

How to write addressToLocations onError?

How can I write a code for checking the error condition in Javascript (ArcGIS) for addressToLocations(params, callback?, errback?). if somebody entered an invalid address- how can I call error ...
4
votes
2answers
2k views

Click link inside Leaflet Popup and do javascript

I have a leaflet map up and running. It overlays a series of polygons (via GeoJSON) on the map and attaches popups to each polygon. Each of the popups display information about that polygon. I'd ...
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0answers
432 views

translating and scaling viewport to fit geojson map in D3js

I am trying to load a map of Rio de Janeiro (Brazil) in GeoJson for with D3js the code and the map is here: https://gist.github.com/4157853 I can open the map normally with Qgis, but with d3js ...
0
votes
1answer
846 views

In leaflet does the addControl automatically handle events via the leaflet API?

I need to add additional overlay layers to be controlled by the controls within the leaflet map boundaries, but the code utilizes a leaflet-custom.js file. I am assuming it handles the event and ...
0
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0answers
116 views

How do I determine programmatically what values to add to the proj4js constructor for a CRS or SRS such that I can iteratively render proper overlays

I think this is primarily a GIS based question as far as for example: var crs = L.CRS.proj4js('EPSG:2154', '+proj=lcc +lat_1=49 +lat_2=44 +lat_0=46.5 +lon_0=3 +x_0=700000 ...
4
votes
1answer
778 views

ArcGIS Javascript API - Return 'normal' map extents when panning around the world

ArcGIS Javascript API maps allow the user to pan around the world, which is a great feature, however I am performing some processes that rely on map extents. I have discovered that despite the ...
2
votes
0answers
355 views

How to use javascript in fusion tables to query

I'm having a quite bit of difficulty creating some functions for my fusion tables. I have two tables here: Points Parcels I'm trying to create a number of functions: 1) I want to be able to select ...
3
votes
2answers
2k views

How do I project my WMS tilelayer in leaflet if I want it to display as an overlay on my basemap if they have different EPSG?

So my basemap is a world Mercator projection and in wfs format and I'm trying to put a WMS overlay in a different projection over it? Leaflet's API didn't give me much info on changing the epsg so is ...
1
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1answer
1k views

Show Fields in infowindow from my custom layer

I want to display 2 fields from the POIData layer. What i get now is ${ToegangsNr} ${Baanvak} in text. Does anyone know how to do this in an DynamicMapServiceLayer. Thanks in advance POIData = new ...
2
votes
1answer
519 views

Openlayers text layer is not working

I am trying to load markers from a text file using openlayers text layer, but no marker is shown, text file and icons are in same directory. However I am able to show markers using marker layer. My ...
10
votes
2answers
14k views

Adding/Removing Leaflet GeoJSON layers

I'm trying to show different GeoJSON layers at different zoom layers using the Leaflet API. I can load and display all three layers at once (though I don't actually want them all to show at once). I ...
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0answers
262 views

Layer set visible

I add this layer like this: var POIData = new esri.layers.ArcGISDynamicMapServiceLayer("https://mysite.com/ArcGIS/rest/services/POI_Data/MapServer"); map.addLayer(POIData); ...
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0answers
132 views

adding WMS service to application ArcGIS JS api

I've got map in projection: 4326 (WGS-84) when I try to add WMS layers which is in different projection I always get connection timeout Do you know if I could change WMS projection to set it up ...
1
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1answer
109 views

Is a new map object required in order to create a wms overlay on top of a current map object with wfs layers using the leaflet api

I am trying to add a wms tile layer overlay over a wfs tile layer which I added to a map object. When I tried to simply add a layer on top of my current setView for my map object it overwrote the ...
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1answer
856 views

Does leaflet support wms tile layers in applications/openlayers formats?

I am trying to create a tilelayer.wms overlay on top of a wfs base map and I wasn't sure whether leaflet allows the applications/openlayers type of format which I served up from geoserver or only ...
0
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1answer
66 views

What kind of different results or what is the difference between two URL based WMS requests [closed]

I am trying to retrieve some WMS layers from geoserver so that I can display them in leaflet and I need to populate a URL field and I noticed that many of the layers that I opened up in openlayers had ...
3
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0answers
291 views

How do I format tilelayer.wms url properties such that I add an overlay iteratively to my base map in leaflet

My base map was created using hard-coded template variables. I am using the leaflet tilelayer.wms constructor and including the url like so: url: ...